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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int n;
  6. 	cin >> n;
  7. 	int a[101];
  8. 	for(int i = 0; i < n; i++)
  9. 	{
  10. 		cin >> a[i];
  11. 	}
  12. 	int diffNum = 0;
  13. 	for(int i = 0; i < n; i++)
  14. 	{
  15. 		bool newNum = true; 
  16. 		for(int j = 0; j < i; j++) 
  17. 		{
  18. 			if(a[j] == a[i])
  19. 			{				
  20. 				newNum = false;
  21. 				break;
  22. 			}	
  23. 		}
  24. 		if(newNum == true)
  25. 		{
  26. 			diffNum++;
  27. 		}
  28. 	}
  29. 	cout << diffNum;
  30. 	return 0;
  31. }
Success #stdin #stdout 0s 4448KB
comments (?)
stdin
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7
3 5 -7 7 5 -9 -4
stdout
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6
https://ideone.com/ca8sP9
кол-во эл. в масиве
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
secret

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